Spessartine and Sylvite Physical Properties

Spessartine

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.12-4.181.993

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Uneven, Brittle

1.6 Cleavage

{???} Distinct

Perfect on [100], [010], [001]

1.7 Mohs Hardness

7-7.52.5

2 10

1.8 Chemical Composition

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Not Available

Spessartine and Sylvite Chemical Formula

While comparing Spessartine and Sylvite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Spessartine and Sylvite chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Spessartine and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 1.993 whereas that of Sylvite is 1.993.